Home / 3,077.56-4,617.64-2,091.48

Finding the Fourth Proportional to 3,077.56, 4,617.64 and 2,091.48

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Solution

The fourth proportional to 3,077.56, 4,617.64 and 2,091.48 is: 3,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.56 : 4,617.64 = 2,091.48 : x
  2. Step 2: Convert to fraction form
    3,077.56/4,617.64 = 2,091.48/x
  3. Step 3: Cross multiply
    3,077.56x = 4,617.64 × 2,091.48
  4. Step 4: Simplify right side
    3,077.56x = 9,657,701.71
  5. Step 5: Solve for x
    x = 9,657,701.71/3,077.56
  6. Step 6: Final answer
    x = 3,138.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.